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Communication Dans Un Congrès Année : 2016

Numerical model of static hysteresis taking into account temperature

Résumé

Some soft magnetic materials are strongly dependent of the temperature, because oftheir low Curie temperature. In order to predict their behavior in electrical devices,engineers need hysteresis models able to take into account the temperature. TheVector Play static hysteresis model is an interesting hysteresis model that can bemodified in order to take into account the thermal behavior (F. Sixdenier, O. MESSAL,A. HILAL, C. Martin, M.A. Raulet R. Scorretti, ”Temperature dependent extensionof a static hysteresis model”, IEEE Transactions on Magnetics, Volume:PP, Issue: 99) where variations of some parameters with temperature are issued orbuild thanks to the literature. The purely magnetic behavior showed some errors for”complex” low amplitude signals. These errors could be explained by (1) used toapproximate measured anhysteretic curves, which is known to be not so accurate.Accuracy might be improved by numerically interpolating measured anhystereticcurves at different temperatures Man(h, T). This last technique will be tested inthis paper. A qualitative and quantitative analysis of results will be made in orderto qualify the method as a valid extension of the vector play model in order to takeinto account the thermal behavior.Simulation results will be compared to experimental measurements. The testedmaterial is a N30 ferrite (Tc > 130◦ C). Characterization are made on standardtoroidal samples (Dext =40 mm, Dint =24 mm, h =16 mm) following the fluxmetricmethod with respect to the IEC 60404-4 standard.
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Dates et versions

hal-01393395 , version 1 (07-11-2016)

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  • HAL Id : hal-01393395 , version 1

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Fabien Sixdenier, Riccardo Scorretti. Numerical model of static hysteresis taking into account temperature. 10th EMF, Apr 2016, Lyon, France. ⟨hal-01393395⟩
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